论文部分内容阅读
在系统分析钢筋混凝土梁受剪性能的基础上 ,进行了 2 4根承受集中荷载和均布荷载的钢筋混凝土梁的受剪性能试验 ,主要考虑的因素有剪跨比 (λ =a/h0 )、跨高比 (l0 /h) 、水平和垂直腹筋配筋率(ρsh和 ρsv) .详细阐述了梁的受剪特性、破坏形态、受压区混凝土的作用以及腹筋的作用 (包括水平腹筋和垂直腹筋 ) ,并最终提出了钢筋混凝土梁斜截面受剪承载力统一计算方法 .该方法可用于计算深梁、短梁及浅梁的斜截面承载力 ,计算结果与试验结果符合良好
Based on the analysis of the shear performance of reinforced concrete beams, the shear tests of 24 reinforced concrete beams subjected to concentrated load and uniform load are carried out. The main factors considered are shear span ratio (λ = a / h0) , Span ratio (l0 / h), horizontal and vertical reinforcement ratio (ρsh and ρsv). The beam shear characteristics, failure mode, the effect of concrete in compression zone and the effect of abdominal reinforcement Vertical webs), and finally proposed a uniform calculation method for the shear strength of the reinforced concrete beams oblique section. The method can be used to calculate the oblique section bearing capacity of deep beams, short beams and shallow beams, the calculated results are in good agreement with the experimental results